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I built a Dr. Boogie, turn it on, LED works, but no sound, bypass works as well.  I try to troubleshoot for a week, quit, and left for 8 months to university.  I come home for the summer, look at the pedal again, and realize I labeled the input and output jacks opposite of each other.  Switched the cables, the pedals worked fine.  I took some time off of building pedals after that.

Double checked my wiring with DMM to ensure connectivity, it all looks good.  And yeah, like I said, the regulator is taking 9V in and putting 5V out.  My power supply is the same wall wart I've used for all my pedals.

Pics:




Voltages: (the double dashes indicates where I couldn't get a consistent reading, likely due to the fact the regulator is heating up)



Odd voltages, yeah...

So I bought a ZPM board, populated it, boxed it, and had something odd happen.  Signal goes through, but with no delay nor modulation effects.  The signal just gets boosted a fair amount, quite cleanly too, might make a good boost if not for the other issue.

The 78l05 I bought heats up when it's plugged in and turned on.  Not enough to fry it, mind, it still puts out 5V just fine.

All the caps are the proper values, and so are the resistors (as far as I can tell). The regulator doesn't heat up when I pull the 2399 but that's not telling me much either.

I've done the standard checks for bridges and bad joints but found nothing.  This is confusing as hell.

I'd appreciate any help that's given.

Oh, and I put this in a 125B since that was on hand, so accidental grounding is fairly unlikely.